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Maohua L.,Bohai Drilling and Exploration Cooperation | Huaguo X.,Bohai Drilling and Exploration Cooperation | Yunying Y.,Bohai Drilling and Exploration Cooperation | Guojun L.,Bohai Drilling and Exploration Cooperation | And 4 more authors.
Well Testing | Year: 2010

During open hole well testing , on condition of heavy density of drilling mud and big testing differential pressure, testing technology with nitrogen can be utilized effectively which solves the problems of protecting the reservoir and tools at openning time of the well. Source

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